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-rw-r--r--fs/btrfs/extent-tree.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 25ef6e3fd306..5cb44931e62f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3947,6 +3947,19 @@ static void found_extent(struct find_free_extent_ctl *ffe_ctl,
}
}
+static bool can_allocate_chunk(struct btrfs_fs_info *fs_info,
+ struct find_free_extent_ctl *ffe_ctl)
+{
+ switch (ffe_ctl->policy) {
+ case BTRFS_EXTENT_ALLOC_CLUSTERED:
+ return true;
+ case BTRFS_EXTENT_ALLOC_ZONED:
+ return true;
+ default:
+ BUG();
+ }
+}
+
static int chunk_allocation_failed(struct find_free_extent_ctl *ffe_ctl)
{
switch (ffe_ctl->policy) {
@@ -4034,6 +4047,10 @@ static int find_free_extent_update_loop(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans;
int exist = 0;
+ /*Check if allocation policy allows to create a new chunk */
+ if (!can_allocate_chunk(fs_info, ffe_ctl))
+ return -ENOSPC;
+
trans = current->journal_info;
if (trans)
exist = 1;